{"classifier_version":"1.4.0","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by ARIN, the RIPE NCC, APNIC, LACNIC, AFRINIC, the Number Resource Organization (NRO), or any other Regional Internet Registry. Classifications and hold-expiration dates are evidence-based interpretations and do not constitute confirmation that a resource is available for issuance or transfer.","resource":"216.172.64.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.172.64.0-216.172.79.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2011-07-07)"},"current_holder":{"rir":"RIPE NCC","org":"Expereo International BV","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":52334,"date":"2016-12-08T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Expereo International BV","range":"216.172.64.0/20","log":"RIPE NCC"},{"id":8375,"date":"2016-12-08T16:36:59Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Monte Carlo Online llc","recipient_org":"Expereo International BV","range":"216.172.64.0/20","log":"ARIN"}],"events":[{"event_id":"128d02581d00c1e7","registry":"ARIN","report_date":"2016-12-08","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"216.172.64.0/20","start":"216.172.64.0","end":"216.172.79.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Monte Carlo Online llc","recipient_organization":"Expereo International BV","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:35+00:00","page":"https://rirtracker.com/ip/216.172.64.0-216.172.79.255/#e-128d02581d00c1e7","report_page":"https://rirtracker.com/arin/reports/2016-12-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.172.64.0-216.172.79.255.json","observed":"216.172.64.0/20 allocated on 2016-12-08, not listed on 2016-12-09","same_transfer_as":"d4443e3c3f6e29fd","explanation":"ARIN's transfer log records a transfer from Monte Carlo Online llc (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 16:36 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20161209.gz","retrieved_at":"2026-10-12T21:20:35+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 216.172.64.0/20 allocated on 2016-12-08, not listed on 2016-12-09"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2016-12-08 16:36 UTC, Monte Carlo Online llc (ARIN) to Expereo International BV (RIPE NCC); resources moved: 216.172.64.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20161207.gz","retrieved_at":"2026-10-12T21:20:27+00:00","summary":"ARIN delegated statistics 2016-12-07 (produced 2016-12-07T06:10:57+00:00), before the report: allocated (dated 2011-07-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20161209.gz","retrieved_at":"2026-10-12T21:20:35+00:00","summary":"ARIN delegated statistics 2016-12-09 (produced 2016-12-09T06:10:43+00:00), after the report: not listed"}]},{"event_id":"d4443e3c3f6e29fd","registry":"RIPE NCC","report_date":"2016-12-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"216.172.64.0/20","start":"216.172.64.0","end":"216.172.79.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Expereo International BV","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:15+00:00","page":"https://rirtracker.com/ip/216.172.64.0-216.172.79.255/#e-d4443e3c3f6e29fd","report_page":"https://rirtracker.com/ripe/reports/2016-12-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.172.64.0-216.172.79.255.json","observed":"Transfer: (no name) (ARIN) to Expereo International BV (RIPE NCC)","same_transfer_as":"128d02581d00c1e7","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2016-12-08 19:00 UTC, (no name) (ARIN) to Expereo International BV (RIPE NCC); resources moved: 216.172.64.0/20"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2016/delegated-ripencc-extended-20161207.bz2","retrieved_at":"2026-10-12T21:09:27+00:00","summary":"RIPE NCC delegated statistics 2016-12-07 (produced 2016-12-07T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2016/delegated-ripencc-extended-20161208.bz2","retrieved_at":"2026-10-12T21:09:30+00:00","summary":"RIPE NCC delegated statistics 2016-12-08 (produced 2016-12-08T22:59:59+00:00), after the change: allocated (dated 2011-07-07)"}]},{"event_id":"aad543d22091b717","registry":"ARIN","report_date":"2011-07-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.172.64.0-216.172.79.255","resource_type":"ipv4","resource":"216.172.64.0/20","start":"216.172.64.0","end":"216.172.79.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:55+00:00","page":"https://rirtracker.com/ip/216.172.64.0-216.172.79.255/#e-aad543d22091b717","report_page":"https://rirtracker.com/arin/reports/2011-07-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.172.64.0-216.172.79.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-07-06 and allocated (dated 2011-07-07) on 2011-07-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2011-July/000937.html","retrieved_at":"2026-10-12T18:37:10+00:00","summary":"ARIN-Issued report for 2011-07-07: \"Add 216.172.64.0-216.172.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110706.gz","retrieved_at":"2026-10-12T19:22:18+00:00","summary":"ARIN delegated statistics 2011-07-06, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110708.gz","retrieved_at":"2026-10-12T19:22:23+00:00","summary":"ARIN delegated statistics 2011-07-08, after the report: allocated (dated 2011-07-07)"}]}],"classification_history":{"128d02581d00c1e7":[{"raw_change_id":327267,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:08:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Monte Carlo Online llc (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 16:36 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":327267,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:01+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Monte Carlo Online llc (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 16:36 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":327267,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Monte Carlo Online llc (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 16:36 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":327267,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:35+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Monte Carlo Online llc (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 16:36 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"d4443e3c3f6e29fd":[{"raw_change_id":51447,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:42:18+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":51447,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:24+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":51447,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:37+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":51447,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:15+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Expereo International BV (RIPE NCC) on 2016-12-08 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"aad543d22091b717":[{"raw_change_id":123955,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:14:26+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-07-06 and allocated (dated 2011-07-07) on 2011-07-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-06-11 (216.172.0.0-216.172.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":123955,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:21+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-07-06 and allocated (dated 2011-07-07) on 2011-07-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-06-11 (216.172.0.0-216.172.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":123955,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:55+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-07-06 and allocated (dated 2011-07-07) on 2011-07-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-06-11 (216.172.0.0-216.172.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":123955,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:55+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-07-06 and allocated (dated 2011-07-07) on 2011-07-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"not listed"}}